<template>
  <el-row>
    <el-col :span="8">
      <div class="box">
        <el-scrollbar>
          <basic-container>
            <avue-tree :option="treeOption" :data="treeData" @node-click="nodeClick" />
          </basic-container>
        </el-scrollbar>
      </div>
    </el-col>
    <el-col :span="15">
      <basic-container>
        <el-button-group>
          <el-button
            v-if="permission.region_add"
            type="primary"
            icon="el-icon-plus"
            @click="addChildren"
            >新增下级
          </el-button>
          <el-button
            v-if="permission.region_delete"
            type="primary"
            icon="el-icon-delete"
            @click="handleDelete"
            >删除
          </el-button>
          <el-button
            v-if="permission.region_import"
            type="primary"
            icon="el-icon-upload"
            @click="handleImport"
            >导入
          </el-button>
          <el-button
            v-if="permission.region_export"
            type="primary"
            icon="el-icon-download"
            @click="handleExport"
            >导出
          </el-button>
          <el-button
            v-if="permission.region_debug"
            type="primary"
            icon="el-icon-video-play"
            @click="handleDebug"
            >调试
          </el-button>
        </el-button-group>
        <basic-container>
          <avue-form ref="form" :option="regionOption" v-model="regionForm" @submit="handleSubmit">
            <template #code="{}">
              <el-input placeholder="请输入 区划子编号" v-model="regionForm.subCode">
                <template #prepend>{{ regionForm.parentCode }}</template>
              </el-input>
            </template>
          </avue-form>
          <el-dialog title="行政区划数据导入" append-to-body v-model="excelBox" width="555px">
            <avue-form :option="excelOption" v-model="excelForm" :upload-after="uploadAfter">
              <template #excelTemplate>
                <el-button type="primary" @click="handleTemplate">
                  点击下载<i class="el-icon-download el-icon--right"></i>
                </el-button>
              </template>
            </avue-form>
          </el-dialog>
          <el-dialog title="行政区划数据调试" append-to-body v-model="debugBox" width="350px">
            <avue-form :option="debugOption" v-model="debugForm" />
          </el-dialog>
        </basic-container>
      </basic-container>
    </el-col>
  </el-row>
</template>

<script>
import { getLazyTree, getDetail, submit, remove } from '@/api/base/region';
import { exportBlob } from '@/api/common';
import { mapGetters } from 'vuex';
import { validatenull } from '@/utils/validate';
import { downloadXls } from '@/utils/util';
import { getToken } from '@/utils/auth';
import NProgress from 'nprogress';
import 'nprogress/nprogress.css';

export default {
  data() {
    return {
      topCode: '00',
      treeCode: '',
      treeParentCode: '',
      treeData: [],
      treeOption: {
        nodeKey: 'id',
        lazy: true,
        treeLoad: function (node, resolve) {
          const formattedId = String(node.data.id).padStart(2, '0');
          const parentCode = node.level === 0 ? null : formattedId;
          getLazyTree(parentCode).then(res => {
            resolve(
              res.data.data.map(item => {
                return {
                  ...item,
                  leaf: !item.hasChildren,
                };
              })
            );
          });
        },
        addBtn: false,
        menu: false,
        size: 'small',
        props: {
          labelText: '标题',
          label: 'title',
          value: 'value',
          children: 'children',
        },
      },
      regionForm: {},
      regionOption: {
        labelWidth: 100,
        column: [
          {
            label: '父区划编号',
            prop: 'parentCode',
            span: 24,
            disabled: true,
            rules: [
              {
                required: true,
                message: '请输入父区划编号',
                trigger: 'blur',
              },
            ],
          },
          {
            label: '父区划名称',
            prop: 'parentName',
            span: 24,
            disabled: true,
          },
          {
            label: '区划编号',
            prop: 'code',
            formslot: true,
            span: 24,
            rules: [
              {
                required: true,
                message: '请输入区划编号',
                trigger: 'blur',
              },
            ],
          },
          {
            label: '区划子编号',
            prop: 'subCode',
            display: false,
          },
          {
            label: '区划名称',
            prop: 'name',
            span: 24,
            rules: [
              {
                required: true,
                message: '请输入区划名称',
                trigger: 'blur',
              },
            ],
          },
          {
            label: '区划等级',
            prop: 'regionLevel',
            type: 'radio',
            dicUrl: '/blade-system/dict/dictionary?code=region',
            props: {
              label: 'dictValue',
              value: 'dictKey',
            },
            dataType: 'number',
            span: 24,
            rules: [
              {
                required: true,
                message: '请选择区划等级',
                trigger: 'blur',
              },
            ],
          },
          {
            label: '区划排序',
            prop: 'sort',
            type: 'number',
            span: 24,
            rules: [
              {
                required: true,
                message: '请输入区划排序',
                trigger: 'blur',
              },
            ],
          },
          {
            label: '区划备注',
            prop: 'remark',
            type: 'textarea',
            minRows: 6,
            span: 24,
          },
        ],
      },
      excelBox: false,
      excelForm: {},
      excelOption: {
        submitBtn: false,
        emptyBtn: false,
        column: [
          {
            label: '模板上传',
            prop: 'excelFile',
            type: 'upload',
            drag: true,
            loadText: '模板上传中，请稍等',
            span: 24,
            propsHttp: {
              res: 'data',
            },
            tip: '请上传 .xls,.xlsx 标准格式文件',
            action: '/blade-system/region/import-region',
          },
          {
            label: '数据覆盖',
            prop: 'isCovered',
            type: 'switch',
            align: 'center',
            width: 80,
            dicData: [
              {
                label: '否',
                value: 0,
              },
              {
                label: '是',
                value: 1,
              },
            ],
            value: 0,
            slot: true,
            rules: [
              {
                required: true,
                message: '请选择是否覆盖',
                trigger: 'blur',
              },
            ],
          },
          {
            label: '模板下载',
            prop: 'excelTemplate',
            formslot: true,
            span: 24,
          },
        ],
      },
      debugBox: false,
      debugForm: {},
      debugOption: {
        labelWidth: 50,
        submitBtn: false,
        emptyBtn: false,
        column: [
          {
            label: '省份',
            prop: 'province',
            type: 'select',
            props: {
              label: 'name',
              value: 'code',
            },
            cascader: ['city'],
            dicUrl: '/blade-system/region/select',
            span: 24,
          },
          {
            label: '地市',
            prop: 'city',
            type: 'select',
            props: {
              label: 'name',
              value: 'code',
            },
            cascader: ['district'],
            dicFlag: false,
            dicUrl: '/blade-system/region/select?code={{province}}',
            span: 24,
          },
          {
            label: '区县',
            prop: 'district',
            type: 'select',
            props: {
              label: 'name',
              value: 'code',
            },
            dicFlag: false,
            dicUrl: '/blade-system/region/select?code={{city}}',
            span: 24,
          },
        ],
      },
    };
  },
  watch: {
    'regionForm.subCode'() {
      this.regionForm.code = this.regionForm.parentCode + this.regionForm.subCode;
    },
    'excelForm.isCovered'() {
      if (this.excelForm.isCovered !== '') {
        const column = this.findObject(this.excelOption.column, 'excelFile');
        column.action = `/blade-system/region/import-region?isCovered=${this.excelForm.isCovered}`;
      }
    },
  },
  computed: {
    ...mapGetters(['permission']),
    permissionList() {
      return {
        addBtn: this.validData(this.permission.region_add, false),
        viewBtn: this.validData(this.permission.region_view, false),
        delBtn: this.validData(this.permission.region_delete, false),
        editBtn: this.validData(this.permission.region_edit, false),
      };
    },
    ids() {
      let ids = [];
      this.selectionList.forEach(ele => {
        ids.push(ele.id);
      });
      return ids.join(',');
    },
  },
  methods: {
    initTree() {
      this.treeData = [];
      getLazyTree(this.topCode).then(res => {
        this.treeData = res.data.data.map(item => {
          return {
            ...item,
            leaf: !item.hasChildren,
          };
        });
      });
    },
    nodeClick(data) {
      const column = this.findObject(this.regionOption.column, 'parentCode');
      column.disabled = true;
      const formattedId = String(data.id).padStart(2, '0');
      this.treeCode = formattedId;
      this.treeParentCode = data.parentId;
      getDetail(this.treeCode).then(res => {
        this.regionForm = res.data.data;
        this.regionForm.subCode = this.regionForm.code.replace(this.regionForm.parentCode, '');
      });
    },
    addChildren() {
      if (validatenull(this.regionForm.code) || validatenull(this.regionForm.name)) {
        this.$message.warning('请先选择一项区划');
        return;
      }
      this.regionForm.parentCode = this.regionForm.code;
      this.regionForm.parentName = this.regionForm.name;
      this.regionForm.code = '';
      this.regionForm.subCode = '';
      this.regionForm.name = '';
      this.regionForm.regionLevel =
        this.regionForm.regionLevel === 5 ? 5 : this.regionForm.regionLevel + 1;
    },
    handleSubmit(form, done, loading) {
      const parentCode = form.parentCode === this.topCode ? '' : form.parentCode;
      form.code = parentCode + form.subCode;
      submit(form).then(
        () => {
          this.$message({
            type: 'success',
            message: '操作成功!',
          });
          this.initTree();
          this.regionForm.subCode = '';
          this.$refs.form.resetForm();
          done();
        },
        error => {
          loading();
          window.console.log(error);
        }
      );
    },
    handleDelete() {
      if (validatenull(this.regionForm.code)) {
        this.$message.warning('请先选择一项区划');
        return;
      }
      this.$confirm(`确定将 [${this.regionForm.name}] 数据删除?`, {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(() => {
          return remove(this.treeCode);
        })
        .then(() => {
          this.$message({
            type: 'success',
            message: '操作成功!',
          });
          this.initTree();
          this.regionForm.subCode = '';
          this.$refs.form.resetForm();
        });
    },
    uploadAfter(res, done, loading, column) {
      window.console.log(column);
      this.excelBox = false;
      this.initTree();
      done();
    },
    handleDebug() {
      this.debugBox = true;
    },
    handleImport() {
      this.excelBox = true;
    },
    handleExport() {
      this.$confirm('是否导出行政区划数据?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      }).then(() => {
        NProgress.start();
        exportBlob(
          `/blade-system/region/export-region?${this.website.tokenHeader}=${getToken()}`
        ).then(res => {
          downloadXls(res.data, `行政区划数据${this.$dayjs().format('YYYY-MM-DD HH:mm:ss')}.xlsx`);
          NProgress.done();
        });
      });
    },
    handleTemplate() {
      exportBlob(
        `/blade-system/region/export-template?${this.website.tokenHeader}=${getToken()}`
      ).then(res => {
        downloadXls(res.data, '行政区划模板.xlsx');
      });
    },
  },
};
</script>

<style>
.box {
  height: 800px;
}

.el-scrollbar {
  height: 100%;
}

.box .el-scrollbar__wrap {
  overflow: scroll;
}
</style>
